CN100416032C - an electronic lock - Google Patents

Abstract

The invention discloses an electronic lock, in which a control mechanism cooperating with a power supply device to control the opening of the lock is provided in the lock body; wherein the control mechanism includes: a lock core with a key slot; a lock core capable of accommodating the lock core A lock case, the lock case and the lock core can accommodate a plurality of lock pin groups to match a plurality of step holes of a key, the key has at least one identification hole; an electromagnetic assembly has a retractable protruding rod ; An identification chip, which can identify the identification hole of the key inserted into the lock core, and can transmit a signal to drive the protruding rod of the electromagnetic component. to move between the second positions. The present invention is mainly on the basis of the old mechanical lock, and then utilizes the technology of electronic circuit to drive the electromagnetic component and the electronic password identification system, and cooperates with the key and the lock core to be provided with the password identification hole to achieve the opening and closing of the lock. The purpose is to provide the convenient effect of opening and closing.

Description

an electronic lock

technical field

The invention relates to a lock, in particular to an electronic lock.

Background technique

Since ancient times, locks have always been closely related to the safety of human life and property. Due to the evolution of industrial technology, the structure of locks has also been constantly striving for innovation. Up to now, it has gradually evolved from traditional mechanical locks to electronic locks, which is well known to ordinary people. However, conventional electronic locks must continuously output power to the electromagnetic components after the card is swiped or the password is entered, so that the lock can be kept in an openable state, so that the door leaf can be opened at any time, which consumes a lot of power and causes The waste of power energy often leads to the inability to open the door or lock effectively when the energy is exhausted. It is often caused by misjudgment due to human factors, resulting in the inability to open, or the loss of life and property caused by the leakage of the password.

In view of this, the present inventor has been engaged in lock manufacturing and research and development experience for many years, devoted himself to active research and improvement, and finally has an innovative and effective present invention.

Contents of the invention

The main purpose of the present invention is to provide an electronic lock, which can set the password key according to the needs, especially with the traditional key, which can prevent the password from leaking and increase the security of the door.

Another object of the present invention is to provide an electronic lock that automatically cuts off the power supplied from the electronic circuit to the power supply device before and after each opening, thereby reducing energy consumption.

Another object of the present invention is to provide an electronic lock, which can unlock the electronic lock and open it with a traditional key when the function of the electronic lock fails.

To achieve the above object, the solution of the present invention is: an electronic lock, in which a control mechanism that cooperates with a power supply device to control the opening of the lock is provided in the lock body; wherein the control mechanism includes: a lock core with a key slot ; a lock case that can accommodate the lock core, the lock case and the lock core can accommodate a plurality of traditional lock pin groups to match a plurality of step holes of a key, the key has at least one identification hole; an electromagnetic The component has a retractable protruding rod; an identification chip can identify the identification hole of the key inserted into the lock core, and can transmit a signal to drive the protruding rod of the electromagnetic component, and the protruding rod is inserted into the lock core to move between the first position and the second position withdrawn from the lock cylinder.

The lock case and the lock core have at least one special lock pin group for activating the power supply device.

A group of identification holes are arranged on the lateral position of the lock core, and the identification holes on the key correspond to some identification holes on the lock core.

The lock body has a fixing component for fixing the electromagnetic component to the lock body.

The lock body is also provided with a clutch mechanism for controlling the electromagnetic assembly. The clutch mechanism includes: a transmission assembly with a first end and a second end. , the second end has a transmission part; a toggle assembly, loosely installed in the lock body, has a toggle part and a push part, the toggle part is adjacent to the transmission part of the transmission assembly, and the push part can Accepts a push action for a component.

The lock body is provided with a slot corresponding to the movable position of the pushing part.

The lock body has a pin inserted in a hole of the toggle assembly to allow the toggle assembly to swing.

The engaging portion of the transmission assembly is engaged with the groove of the protruding rod of the electromagnetic assembly.

After adopting the above scheme, the electronic lock of the present invention has the following advantages:

1. Since the present invention is mainly based on the old-style mechanical lockset, the technology of driving the electromagnetic components by the electronic circuit and the electronic code identification system are used again, and the code identification holes can be provided on the key and the lock core to achieve opening and closing. The purpose of the locking tool is to provide the convenient effect of opening and closing the tool accordingly.

2. In addition, the lock can be opened with a key when the power is exhausted. Usually, the identification hole on the traditional key is matched with the identification chip in the lock body, and the identification hole position of the chip is used to open it. Not only is it more convenient than a simple mechanical lock. Moreover, the chip identification control of the electronic circuit can be used to improve the safety and anti-theft effect, so that the protection effect of the lock is more ideal.

3. Since the lock case and the lock core have at least one lock pin group for starting the power supply device, the electronic lock of the present invention can only start the power supply device when the key is inserted into the lock core, and the power supply device can be turned off when the lock core is withdrawn, so Before and after each opening, the electric power transmitted from the electronic circuit to the power supply device is automatically cut off, which can reduce energy consumption.

4. Since a clutch mechanism is additionally provided in the lock body of the present invention, the clutch mechanism can control whether the protruding rod of the electromagnetic component in the electronic lock engages or does not mesh with a lock core accommodated in the lock body; When the function of the electronic lock suddenly fails, the key can be inserted into the lock body from the slot of the lock body to push the pushing part of the toggle component. The rod is shifted from the engagement position extending into the hole of the lock core to the position not engaged with the hole of the lock core. In this way, the traditional key can be inserted into the key slot to push the traditional lock pin group, and the lock can be unlocked.

Description of drawings

Fig. 1 is the three-dimensional exploded view of lock group and related components thereof of the present invention;

Fig. 2 is a partial assembled perspective view of the lock group and its related components of the present invention;

Fig. 3 is that the present invention is installed on the door, and shows the partial sectional view of the electromagnetic assembly in the lockset;

Fig. 4 is a cross-sectional view of the lock set of the present invention to show the positional relationship between the identification hole and the identification chip;

Fig. 5 is a three-dimensional exploded view of the clutch mechanism and lock set and related components of the present invention;

Fig. 6 is a partial cross-sectional view of the clutch mechanism of the present invention and the protruding rod of the electromagnetic assembly in the lock engaging the lock core;

Fig. 7 is a partially enlarged cross-sectional view of the clutch mechanism of the present invention and the convex rod of the electromagnetic assembly in the lock engaging the lock core;

Fig. 8 is a partial cross-sectional view of the clutch mechanism of the present invention and the protruding rod of the electromagnetic assembly in the lockset not engaging the lock core;

Fig. 9 is a partially enlarged cross-sectional view of the clutch mechanism and the protrusion of the electromagnetic assembly in the lockset not engaging the lock core according to the present invention.

in:

lock group 1

Lock case 11 Lock case identification hole 111

Lock housing hole 112 Hole 113

Cover plate 114 Cover plate hole 115

Lock core 12 key slot 121

Lock core identification hole 122 Lock core hole 123

Hole 124 Special lock pin group 13

Knob 14 Rotary shaft 141

Traditional lock pin set 15

key 2

Key Blank 21 Identification Hole 22

class hole 23

Identification chip 3

Micro switch 4

Electromagnetic Components 5

Lug 51 Groove 52

Lock body 6

Latch Mechanism 7

door 8

clutch mechanism 9

toggle assembly 90

Toggle part 901 Push part 902

hole 903

Transmission assembly 91

First end 911 Second end 912

Engagement part 913 Transmission part 914

pin 92

Fixed component 93

Detailed ways

Please refer to Fig. 1 to Fig. 3 and show a kind of electronic lock of the present invention, and it is in a lock body 6, establishes a power supply device (not shown in the figure), a lock group 1 and a knob 14 cooperate, Make it possible to control a latch mechanism 7; the control mechanism includes:

A key 2 has a key blank 21, and has a plurality of identification holes 22 on the key blank 21 (the identification holes 22 can be drilled according to the needs of the user to set the password key);

An electromagnetic assembly 5, accommodated in the lock body 6, has a retractable protruding rod 51, and one end of the protruding rod 51 is accommodated in a hole 113 of the lock housing 11;

An identification chip 3 (which can be a single-chip identification method or an upper and lower double-chip identification method, which is shown in the figure as an upper and lower double-chip identification method), is accommodated in the lock body 6, and it can be identified with the lock core through the lock housing identification hole 111 The hole 122 is used to identify the identification hole 22 of the key blank 21 inserted in the key slot 121. According to the correctness of the combination of the key 2 identification holes 22, a signal can be sent to a control board (not shown) to drive The protruding rod 51 of the electromagnetic assembly 5 moves between a first position inserted into the hole 124 of the lock core 12 and a second position withdrawn from the hole 124 of the lock core 12 to control the relative rotation of the lock core 12 and the lock case 11 .

The control board (not shown in the figure) is installed inside the lock body 6, contains an alarm system (not shown in the figure), and is connected to the control identification chip 3 and the electromagnetic assembly 5 to set the key blank 21 The combination of identification hole 22 of the key blank 21 is the correct unlocking key, and the control board can judge whether the identification hole 22 combination of the key blank 21 is the correct opening key.

The aforementioned lock group 1 accommodates several traditional lock pin groups 15 and a special lock pin group 13, wherein the special lock pin group 13 can protrude beyond the cover plate hole 115 that a cover plate 114 has, and connect a micro-movement Switch 4 inserts the key blank 21 of the correct key 2 into the key groove 121 of the lock core 12 to drive the special lock pin group 13 to touch the micro switch 4 to turn on the current of the power supply device (not shown). The lock set 1 and the knob 14 of the lock body 6 are connected by a rotating shaft 141 for driving a latch mechanism 7 .

As shown in Figure 2, when it is desired to set the identification hole 22 of a key blank 21 as the correct unlocking key 2, insert the correct key 2 into the key slot 121 through the correct key 2 that has already set the predetermined hole position, and then lock The control board (not shown) inside the body 6 is set, and at this moment, a signal is sent to the identification chip 3 to complete the setting of the correct password key 2.

As shown in Figures 1 and 2, when the door leaf 8 is to be opened and closed, the correct key 2 that has been set is inserted into the key slot 121, and the special lock pin group 13 connected to the micro switch 4 is driven by the key blank 21. Start the micro switch 4 to send a signal to the control board (not shown) to notify the power supply device (not shown) to start supplying the identification chip 3 power supply, as shown in Figure 4, this time the identification chip 3 That is to say, the combination hole position of the identification hole 22 of the key blank 21 inserted in the key slot 121 can be identified through the lock case identification hole 111 and the lock core identification hole 122, and the correctness of the combination hole position of the identification hole 22 of the key 2 can be determined. , transmit the signal to the control board (not shown in the figure), and the control board drives the protruding rod 51 of the electromagnetic assembly 5 with the signal, so that the protruding rod 51 does not engage the hole 124 of the lock core 12 (as shown in Figure 3 ), At the same time, the plurality of step holes 23 of the key blank 21 coincide with the traditional lock pin group 15, so that the lock core 12 and the lock shell 11 can produce relative rotation. At this time, the key 2 can rotate the lock core 12 to drive the rotating shaft 141 to drive the lock. The latch mechanism 7 has completed the unlocked state.

On the contrary, when the key 2 is pulled out, since the special lock pin group 13 does not touch the micro switch 4, the power is interrupted, which can reduce the consumption of power, and when the power of the power supply device is about to be exhausted, the control board (in the figure) (not shown) is preset with an automatic notification signal, which will automatically start the electromagnetic assembly 5 with the remaining power supply, so that the protruding rod 51 of the electromagnetic assembly 5 does not engage the hole 124 of the lock core 12. At this time, the key 2 has a traditional key The function of 2 can also rotate the lock core relative to the lock case to open the door 8 and reduce the failure probability of the electronic lock.

And when inserting the key slot 121 with an incorrect key, drive the special lock pin group 13 with the key blank 21, start the micro switch 4 to send a signal to the control board (not shown in the figure) to notify the power supply device (not shown in the figure) out), start supplying power to the identification chip 3, at this time the identification chip 3 can identify the identification hole combination of the key blank inserted in the key slot 121, if the combination hole position of the identification hole of the key is incorrect, it will send a signal to The control board (not shown in the figure) makes the alarm system (not shown in the figure) work, so as to increase the anti-theft property of the lockset.

As shown in Figure 5, a clutch mechanism is also provided in the lock body 6 of the electronic lock of the present invention, and the clutch mechanism can control a protruding rod 51 of an electromagnetic assembly 5 and a The lock core 12 is engaged or not; the clutch mechanism includes:

A transmission assembly 91 has a first end 911 and a second end 912. The first end 911 has an engaging portion 913 that can engage with the groove 52 of the protruding rod 51 of the electromagnetic assembly 5. The second end 912 has a transmission Section 914;

A pin 92 passes through the hole 903 of the toggle assembly 90, the toggle assembly 90 can be loosely installed in the lock body 6, and can swing around the pin 92;

The toggle assembly 90 has a toggle portion 901 and a push portion 902, the toggle portion 901 can be adjacent to the transmission portion 914 of the transmission assembly 91, and the push portion 902 can accept a component (which can be a plate or a key The key blank 21 of 2) pushes action, is provided with a groove 61 on the lock body 6 on the movable position of corresponding pushing part 902.

A fixing component 93 can fix the electromagnetic component 5 in the lock body 6 .

As shown in Figures 6 to 9, when the function of the electronic lock suddenly fails, the front end of the key blank 21 of the key 2 can be inserted into the lock body 6 from the groove 61 of the lock body 6 to push the push part 902, so that the push part 902 At this time, the toggle part 901 will move down to push the transmission part 914, so that the transmission assembly 91 produces a downward displacement. Since the engaging part 913 of the transmission assembly 91 is engaged with the groove 52 of the electromagnetic assembly 5, the transmission assembly 91 will pull the protruding rod 51 of the electromagnetic assembly 5, and shift from the engagement position (as shown in Fig. 6 and Fig. 7) extending into the hole 124 of the lock core 12 to a position not engaged with the hole 124 of the lock core 12 (as shown in Fig. Figure 8, Figure 9). In this way, the key blank 21 of the traditional key 2 can be inserted into the key groove 121 to push the traditional lock pin group (not shown in the figure), and the lock can be unlocked.

Claims (8)

1. An electronic lock, a lock body is provided with a control mechanism that cooperates with a power supply device to control the opening of the lock; it is characterized in that: the control mechanism includes: a lock core with a key slot; a lock that can accommodate the lock The lock shell of the core, the lock shell and the lock core can accommodate a plurality of traditional lock pin groups to match a plurality of step holes of a key, the key has at least one identification hole; an electromagnetic assembly has a retractable Protruding rod; an identification chip, which can identify the identification hole of the key inserted into the lock core, and can transmit a signal to drive the protruding rod of the electromagnetic component. between the second positions of the lock cylinder. 2. A kind of electronic lock as claimed in claim 1, it is characterized in that: described lock shell and lock core have at least one special lock pin group of starting power supply device. 3. An electronic lock as claimed in claim 1, characterized in that: a set of identification holes are provided on the lateral position of the lock core, and the identification holes on the key correspond to part of the identification holes on the lock core. 4. A kind of electronic lock as claimed in claim 1, is characterized in that: have a fixing component that electromagnetic component is fixed on lock body. 5. An electronic lock as claimed in claim 1, characterized in that: a clutch mechanism for controlling the electromagnetic assembly is also provided in the lock body, and the clutch mechanism includes: a transmission assembly having a first end and a second end, The first end has an engaging portion that can be engaged with the protruding rod of the electromagnetic assembly, the second end has a transmission portion; a toggle assembly is loosely installed in the lock body, and it has a toggle portion and a push portion. The toggle part is adjacent to the transmission part of the transmission component, and the push part can accept the pushing action of a component. 6. A kind of electronic lock as claimed in claim 5, it is characterized in that: a groove is provided on the lock body corresponding to the movable position of the pushing part. 7. A kind of electronic lock as claimed in claim 5, it is characterized in that: there is a pin inserted in a hole of the toggle assembly in the lock body, to allow the swing of the toggle assembly. 8. A kind of electronic lock as claimed in claim 5, it is characterized in that: the engaging portion of the transmission assembly is engaged with the groove of the protruding rod of the electromagnetic assembly.

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